docs: def reconfigure_services(self, *service_names):
          """
          Update all files for one or more registered services, and,
          if ready, optionally restart them.
  
          If no service names are given, reconfigures all registered services.
          """
          for service_name in service_names or self.services.keys():
              if self.is_ready(service_name):
                  self.fire_event('data_ready', service_name)
                  self.fire_event('start', service_name, default=[
                      service_restart,
                      manage_ports])
                  self.save_ready(service_name)
              else:
                  if self.was_ready(service_name):
                      self.fire_event('data_lost', service_name)
                  self.fire_event('stop', service_name, default=[
                      manage_ports,
                      service_stop])
                  self.save_lost(service_name)